CN109352591A - Slotted nut assembles decomposer and assembly decomposition method - Google Patents
Slotted nut assembles decomposer and assembly decomposition method Download PDFInfo
- Publication number
- CN109352591A CN109352591A CN201811506251.1A CN201811506251A CN109352591A CN 109352591 A CN109352591 A CN 109352591A CN 201811506251 A CN201811506251 A CN 201811506251A CN 109352591 A CN109352591 A CN 109352591A
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- slotted nut
- pressing plate
- assembly
- decomposer
- driving end
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
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- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a kind of slotted nut assembly decomposers ensure that the axial compressive force of driving end in use, deviate from driving end from nut groove by the driving end of pressing plate axial compression spanner, so that bump injury will not be caused to part；In addition, bearing is arranged between pressing plate and driving end, reduces and contact compression bring frictional force with driving end because of pressing plate, to ensure that nut reaches the torque requirement of design.The assembly decomposer can fast implement the locking and release of slotted nut, improve assembly efficiency, avoid bump injury when engine assembly decomposes part；The apparatus structure is stablized, and unfailing performance is high.The present invention also provides a kind of slotted nuts using above-mentioned slotted nut assembly decomposer to assemble decomposition method.
Description
Technical field
The present invention relates to aero-engines to assemble field, particularly, is related to a kind of slotted nut assembly decomposer.This hair
It is bright to further relate to a kind of slotted nut assembly decomposition method using slotted nut assembly decomposer.
Background technique
Certain, which is started, fluting external screw thread nut such as Fig. 1 in aero-engine, when assembly is decomposed, part is first fixed on assembly vehicle
On frame, reuses torque spanner and tighten nut with up to the torque requirement of 200~210Nm.Since nut fluting size is smaller, tighten
Torque is big, and when assembly is decomposed, due to the small limitation of part groove depth, it is short that driving end lower end be evenly distributed with double wedge axially position, axial direction
Malcompression, abjection of easily skidding in use, so that part is scratched, operating difficulties and large labor intensity.
Summary of the invention
The present invention provides a kind of slotted nut assembly decomposer and assembly decomposition methods, to solve to disassemble in assembly
It is easy to scratch part and assembly efficiency low technical problem when slot nut.
The technical solution adopted by the invention is as follows:
A kind of slotted nut assembly decomposer, for locking or unclamping the slotted nut being assemblied on object part, packet
Include: for lock or unclamp slotted nut spanner, for axial compression spanner driving end pressing plate, driving end and pressing plate it
Between be equipped with bearing for reducing frictional force between pressing plate and driving end, the both ends of pressing plate are connect with vehicle frame is assembled, and pass through application
Slotted nut and object part are locked or unclamped in the external force on spanner.
Further, the outer peripheral surface of driving end is stepped, and bearing is placed on the step surface of driving end, the major diameter of driving end
End is connect with slotted nut, the miner diameter end interference fit of bearing and driving end.
Further, pressing plate includes: the miner diameter end for being sheathed on driving end and the ontology for being used for axial compression driving end, ontology
Two sides are extended with the first pressing plate and the second pressing plate horizontally outward.
Further, slotted nut assembly decomposer further includes the miner diameter end set on driving end for limiting pressing plate from pulling
The retaining ring of outer peripheral surface abjection at hand.
Further, slotted nut assembly decomposer further includes the supporting element for being used to support simultaneously fixation clip, supporting element
Include: the first supporting element for being used to support the first pressing plate and the second supporting element for being used to support the second pressing plate, the first supporting element and
Second supporting element is connect with assembly vehicle frame.
Further, slotted nut assembly decomposer further includes being assemblied on assembly vehicle frame and for fixing object part
Pedestal, the first pressing plate and the second pressing plate be fixed on pedestal through bolt, is equipped with bolt corresponding position for preventing on pedestal
The only holding screw of bolt rotation.
Further, pedestal is equipped with splined shaft for fixing object part, splined shaft with positioned at the interior of object part
Spline fitted.
Further, bearing is single direction thrust ball bearing.
Further, retaining ring is circlip for shaft, for limiting the axial movement of pressing plate.
According to another aspect of the present invention, a kind of fluting using above-mentioned slotted nut assembly decomposer is additionally provided
Nut assembles decomposition method, this method comprises:
Slotted nut is assembled,
Object part is fixed on assembly vehicle frame, slotted nut of the assembly on object part is pre-tightened with hand；It will dress
It is fixed on assembly vehicle frame with decomposer, benefit screws up with a wrench slotted nut, and slotted nut and object part are locked；
And/or
Slotted nut is decomposed,
Object part equipped with slotted nut is fixed on assembly vehicle frame；Assembly decomposer is fixed on assembly vehicle frame
On, slotted nut is unclamped using spanner, slotted nut is removed from object part.
The invention has the following advantages:
Slotted nut of the invention assembles decomposer, for locking or unclamping the fluting spiral shell being assemblied on object part
Mother, the assembly decomposer include: for locking or unclamping the spanner of slotted nut, for the driving end of axial compression spanner
Pressing plate is equipped with the bearing for reducing frictional force between pressing plate and driving end, the both ends of pressing plate and dress between driving end and pressing plate
It is connected with vehicle frame.Slotted nut and object part is set to lock or unclamp by the external force being applied on spanner.Fluting of the invention
Nut assembles decomposer and ensure that the axial direction of driving end in use by the driving end of pressing plate axial compression spanner
Pressure deviates from driving end from nut groove, so that bump injury will not be caused to part；In addition, pressing plate and driving end it
Between bearing is set, reduce because of pressing plate to contact with driving end and compress bring frictional force, to ensure that nut reaches the torque of design
It is required that.The assembly decomposer can fast implement the locking and release of slotted nut, improve assembly efficiency, avoid engine
Bump injury when part is decomposed in assembly；The apparatus structure is stablized, and unfailing performance is high.
According to another aspect of the present invention, decomposer is assembled using above-mentioned slotted nut the present invention also provides a kind of
Slotted nut assembles decomposition method, which can quickly realize the locking and release of slotted nut, improve dress
With efficiency, bump injury when engine assembly decomposes part is avoided.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to accompanying drawings, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the slotted nut of the preferred embodiment of the present invention and the structural schematic diagram of object part；
Fig. 2 is the structural schematic diagram of the slotted nut assembly decomposer of the preferred embodiment of the present invention；
Fig. 3 is the another structural schematic diagram of the slotted nut assembly decomposer of the preferred embodiment of the present invention.
Drawing reference numeral explanation:
10, slotted nut；101, object part；20, driving end；30, pressing plate；40, bearing；50, retaining ring；60, band shoulder six
Corner bolt；61, gasket；70, holding screw；80, pedestal；81, hexagon-headed bolt；82, splined shaft；83, hex nut.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Referring to Fig.1, positioned at the slotted nut 10 of aero-engine key position, the torque needed in locking or release compared with
Greatly, but the fluting size of slotted nut 10 is smaller, and the axially position that 20 lower end of driving end is evenly distributed with double wedge is short, and it is axial simultaneously
Without pressing force, abjection of skidding is easy in locking or release, to scratch part, and operating difficulties and labour difficulty it is big.This
The preferred embodiment of invention provides a kind of slotted nut assembly decomposer, is assemblied in object part for locking or unclamping
Slotted nut 10 on 101.The device includes: for locking or unclamping the spanner of slotted nut 10, for axial compression spanner
Driving end 20 pressing plate 30, between driving end 20 and pressing plate 30 be equipped with for reducing frictional force between pressing plate 30 and driving end 20
Bearing 40, the both ends of pressing plate 30 connect with assembly vehicle frame, make slotted nut and object zero by the external force being applied on spanner
Part locking is unclamped.
As shown in Figure 1, the structural schematic diagram of slotted nut 10 and object part 101, in the present embodiment, slotted nut 10
Assembly environment it is big, object part 101 be fixed on assembly vehicle frame on.When slotted nut 10 is decomposed in assembly, the both ends of pressing plate 30
It is fixed on assembly vehicle frame by bolt 60, makes its rotation with by slotted nut 10 and object by the external force being applied on spanner
The locking of part 101 is unclamped.In the present embodiment, spanner is torque spanner, and bearing 40 is single direction thrust ball bearing, by pressing
Bearing 40 is set between plate 30 and driving end 20, on the one hand ensure that the axial compressive force of spanner, on the other hand reduce pressing plate 30
With the frictional force between driving end 20, it is ensured that slotted nut 10 reaches the torque requirement of design.Pass through 40 knot of pressing plate 30 and bearing
The cooperation of structure ensure that the axial compressive force of driving end in use, deviate from driving end 20 will not from nut groove, thus
Bump injury will not be caused to part.The assembly decomposer of the present embodiment can fast implement the locking and release of slotted nut, mention
High assembly efficiency, avoids bump injury when engine assembly decomposes part；The apparatus structure is stablized, and unfailing performance is high.
Preferably, the outer peripheral surface of driving end 20 is stepped, and bearing 40 is placed on the step surface of driving end 20, driving end 20
Bigger diameter end connect with slotted nut 10, the miner diameter end of bearing 40 and driving end 20 is interference fitted.
In the present embodiment, the miner diameter end of driving end 20 is connected with force application rod.The end face of driving end bigger diameter end is circumferentially square
To the protrusion being equipped with the matching grooves of slotted nut 10.Assembly decompose slotted nut 10 when, the bigger diameter end of driving end it is convex
It rises and is connect with the groove on slotted nut 10, bearing and pressing plate are arranged on miner diameter end, by the external force being applied on force application rod,
The bigger diameter end of driving end is driven to rotate to lock or unclamp slotted nut 10.
Referring to Fig. 2, pressing plate 30 includes: the ontology for being sheathed on the miner diameter end of driving end 20 for axial compression driving end 20,
Ontology two sides are extended with the first pressing plate and the second pressing plate horizontally outward.In the present embodiment, the first pressing plate and the second pressing plate difference
It is fixed on assembly vehicle frame by bolt 60.Gasket 61 is equipped between first pressing plate and the second pressing plate and bolt 60.
The assembly decomposer of the present embodiment compresses driving end by the first pressing plate and the second pressing plate, ensure that the assembly
Decomposer keeps horizontal in use, deviate from driving end 20 will not from nut groove, will not cause to collide with to part
Wound.
Optionally, slotted nut assembly decomposer further includes being used to support the first supporting element of the first pressing plate and for branch
The second supporting element of the second pressing plate is supportted, the first supporting element and the second supporting element are fixed on assembly vehicle frame.
In the present embodiment, according to the difference of object part 101 (assembling assembly), it is arranged first at the both ends of pressing plate 30
Support member and the second supporting element.First supporting element and the second supporting element are bolt, are fixed the assembly decomposer by bolt
In on assembly vehicle frame, is assembled or decomposed with cross-notching nut 10.
Preferably, slotted nut assembly decomposer further include set on driving end 20 miner diameter end for prevent pressing plate 30 from
The retaining ring 50 deviate from driving end 20.Retaining ring is set to the end of the miner diameter end of driving end 20 and is located at the upper surface of pressing plate 30, gear
The internal diameter of circle is less than the outer diameter of 20 miner diameter end of driving end, by Circlip tongs expansion retaining ring when installation, is loaded into driving end 20
Miner diameter end.
In the present embodiment, retaining ring 50 is circlip for shaft, is set in 20 path end bearing 40 of driving end for limiting
With pressing plate 30, prevent pressing plate 30 and bearing 40 from deviating from from 20 miner diameter end of driving end.
Referring to Fig. 3, in other embodiments, slotted nut assembly decomposer further includes being assemblied on assembly vehicle frame to be used in combination
In the pedestal 80 of fixed object part 101.First pressing plate and the second pressing plate are fixed on pedestal 80 through bolt 60, on pedestal 80
Installed position corresponding with bolt 60 is equipped with holding screw 70, for preventing the rotation of bolt 60 from causing the first pressing plate and the second pressing plate
It loosens, to influence the assembly or decomposition of slotted nut 10.
Specifically, when object part 101 is output shaft assembly, the assembly environment of slotted nut 10 is smaller.In this implementation
In example, one end of output shaft assembly is arranged in slotted nut 10, the output shaft assembly small volume, carries out in cross-notching nut 10
When assembly and disassembly, need that output shaft assembly is fixed.The assembly decomposer includes for fixing object part 101
Pedestal 80.In the present embodiment, pedestal 80 is equipped with the splined shaft 82 cooperated with output shaft assembly, the splined shaft 82 and output shaft
The internal spline of component cooperates, and prevents its rotation for fixing output shaft assembly.First pressing plate and the second pressing plate are solid through bolt 60
Due on pedestal 80, bolt 60 is band shoulder hex bolts.The corresponding installed position with shoulder hex bolts is equipped with tight on pedestal 80
Determine screw 70, the screw rod for anti-stop-band shoulder hex bolts rotates.In addition, dress is fixed on through hexagon-headed bolt in the both ends of pedestal 80
It is fastened on vehicle frame, and with hex nut 83.Plain washer is equipped between hexagon-headed bolt and pedestal 80.
Slotted nut assembly decomposer of the invention uses step are as follows: when assembly, object part 101 is fixed on assembly
On vehicle frame, slotted nut 10 is pre-tightened with hand, the driving end 20 for assembling pressing plate 30 and bearing 40 is set in fluting spiral shell
On mother 10, pressing plate 30 is fixed on assembly vehicle frame, by the external force that is applied on spanner by slotted nut 10 and object part
101 lockings, reach defined torque requirement.When decomposition, object part 101 and assembly decomposer are fixed on assembly vehicle
On frame, the external force by being applied to spanner unclamps slotted nut 10, and slotted nut 10 is removed from object part 101.
In other embodiments, the both ends of object part 101 and pressing plate are both secured on pedestal 80 first；Then the bottom of by
Seat 80 is fixed on assembly vehicle frame；Slotted nut 10 and object part 101 are locked or pine using the external force being applied on spanner
It opens.
Slotted nut assembly decomposer of the invention ensure that spanner used by pressing plate axial compression driving end
Axial compressive force in journey deviates from driving end from nut groove, will not cause bump injury to part；In addition, in pressing plate and pulling
Bearing is set between at hand, reduces and contacts compression bring frictional force with driving end because of pressing plate, to ensure that slotted nut reaches
The torque requirement of design.The assembly decomposer can fast implement the locking and release of slotted nut, improve assembly efficiency, keep away
Bump injury when engine assembly decomposes part is exempted from, ensure that quality is decomposed in assembly；The apparatus structure is stablized, unfailing performance
Height, and can realize one man operation, reduce cost of labor.
According to another aspect of the present invention, the present invention also provides a kind of slotted nuts using above-mentioned assembly decomposer
Slotted nut assemble decomposition method, method includes the following steps:
Slotted nut is assembled, object part 101 is fixed on assembly vehicle frame, opening on object part 101 will be assembled
Slot nut 10 is pre-tightened with hand；Assembly decomposer is fixed on assembly vehicle frame, tightens slotted nut 10 using torque spanner, with
Slotted nut 10 and object part 101 are locked；And/or
Slotted nut is decomposed, the object part 101 equipped with slotted nut 10 is fixed on assembly vehicle frame；Assembly is decomposed
Device is fixed on assembly vehicle frame, unscrews slotted nut 10 using torque spanner, by slotted nut 10 from object part 101
It removes.
In the present embodiment, this method is further comprising the steps of:
Slotted nut is assembled, object part 101 and assembly decomposer are fixed on pedestal 80, pedestal 80 is fixed on
Assemble vehicle frame on, with hand cross-notching nut 10 pre-tighten, tighten slotted nut 10 using torque spanner, by slotted nut 10 with it is right
As part 101 is locked；And/or
Slotted nut is decomposed, object part 101 and assembly decomposer are fixed on pedestal 80, pedestal 80 is fixed on
It assembles on vehicle frame, unscrews slotted nut 10 using torque spanner, slotted nut 10 is removed from object part 101.
Slotted nut of the invention assembles decomposition method, one man operation and can fast implement locking and the pine of slotted nut
It opens, improves assembly efficiency, avoid bump injury when engine assembly decomposes part；The apparatus structure is stablized, unfailing performance
Height reduces cost of labor.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of slotted nut assembles decomposer, for locking or unclamping the slotted nut being assemblied on object part (101)
(10), which is characterized in that
It include: for locking or unclamping the spanner of the slotted nut (10), for the driving end of spanner described in axial compression
(20) pressing plate (30), between the driving end (20) and the pressing plate (30) be equipped with for reduce the pressing plate (30) with it is described
The both ends of the bearing (40) of frictional force between driving end (20), the pressing plate (30) are connect with assembly vehicle frame, by being applied to
The slotted nut (10) and the object part (101) are locked or are unclamped by the external force stated on spanner.
2. slotted nut according to claim 1 assembles decomposer, which is characterized in that
The outer peripheral surface of the driving end (20) is stepped, and the bearing (40) is placed on the step surface of the driving end (20),
The bigger diameter end of the driving end (20) is connect with the slotted nut (10), and the bearing (40) is small with the driving end (20)
Diameter end interference fit.
3. slotted nut according to claim 2 assembles decomposer, which is characterized in that
The pressing plate (30) includes: to be sheathed on the miner diameter end of the driving end (20) and for driving end (20) described in axial compression
Ontology, the ontology two sides are extended with the first pressing plate and the second pressing plate horizontally outward.
4. slotted nut according to claim 1 assembles decomposer, which is characterized in that
The slotted nut assembly decomposer further includes the miner diameter end set on the driving end (20) for limiting the pressing plate
(30) retaining ring (50) deviate from from the outer peripheral surface of the driving end (20).
5. slotted nut according to claim 3 assembles decomposer, which is characterized in that
It further include the supporting element for being used to support and fixing the pressing plate (30), the supporting element includes: to be used to support described first
First supporting element of pressing plate and the second supporting element for being used to support second pressing plate, first supporting element and second described
Support member is connect with the assembly vehicle frame.
6. slotted nut according to claim 3 assembles decomposer, which is characterized in that
It further include being assemblied in the pedestal (80) assembled on vehicle frame and for fixing the object part (101), described first
Pressing plate and second pressing plate are fixed on the pedestal (80) through bolt (60), on the pedestal (80) with the bolt
(60) corresponding position is equipped with the holding screw (70) for preventing the bolt (60) from rotating.
7. slotted nut according to claim 6 assembles decomposer, which is characterized in that
The pedestal (80) is equipped with splined shaft (82) for fixing the object part (101), the splined shaft (82) with
Internal spline positioned at the object part (101) cooperates.
8. slotted nut according to claim 1 assembles decomposer, which is characterized in that
The bearing (40) is single direction thrust ball bearing.
9. slotted nut according to claim 4 assembles decomposer, which is characterized in that
The retaining ring (50) is circlip for shaft, for limiting the axial movement of the pressing plate.
10. a kind of slotted nut assembly point using the slotted nut assembly decomposer of any of claims 1-9
Solution method, which is characterized in that this method comprises:
Slotted nut is assembled,
Object part (101) is fixed on assembly vehicle frame, slotted nut (10) of the assembly on object part (101) is used into hand
It pre-tightens；Assembly decomposer is fixed on assembly vehicle frame, benefit screws up with a wrench slotted nut (10), by slotted nut (10)
It is locked with object part (101)；And/or
Slotted nut is decomposed,
Object part (101) equipped with slotted nut (10) is fixed on assembly vehicle frame；Assembly decomposer is fixed on dress
With on vehicle frame, slotted nut (10) are unclamped using spanner, slotted nut (10) is removed from object part (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811506251.1A CN109352591B (en) | 2018-12-10 | 2018-12-10 | Slotted nut assembling and disassembling device and assembling and disassembling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811506251.1A CN109352591B (en) | 2018-12-10 | 2018-12-10 | Slotted nut assembling and disassembling device and assembling and disassembling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109352591A true CN109352591A (en) | 2019-02-19 |
| CN109352591B CN109352591B (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811506251.1A Active CN109352591B (en) | 2018-12-10 | 2018-12-10 | Slotted nut assembling and disassembling device and assembling and disassembling method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400254A (en) * | 2021-05-14 | 2021-09-17 | 中国航发哈尔滨东安发动机有限公司 | Thread decomposing device of self-locking mechanism |
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| CN107363779A (en) * | 2017-09-04 | 2017-11-21 | 中国航发南方工业有限公司 | The attaching/detaching apparatus of aero-engine high pressure joint rotor |
| CN207480505U (en) * | 2017-09-04 | 2018-06-12 | 中国航发南方工业有限公司 | For the handler of high-torque clamp nut |
| CN207888528U (en) * | 2017-12-25 | 2018-09-21 | 中国航发南方工业有限公司 | Nut clamping device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400254A (en) * | 2021-05-14 | 2021-09-17 | 中国航发哈尔滨东安发动机有限公司 | Thread decomposing device of self-locking mechanism |
| CN113400254B (en) * | 2021-05-14 | 2023-01-06 | 中国航发哈尔滨东安发动机有限公司 | Thread decomposing device of self-locking mechanism |
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| CN109352591B (en) | 2021-06-18 |
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